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Finding the Fourth Proportional to 1,306,770.56, 1,803,539.04 and 797,768

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Solution

The fourth proportional to 1,306,770.56, 1,803,539.04 and 797,768 is: 1,101,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,770.56 : 1,803,539.04 = 797,768 : x
  2. Step 2: Convert to fraction form
    1,306,770.56/1,803,539.04 = 797,768/x
  3. Step 3: Cross multiply
    1,306,770.56x = 1,803,539.04 × 797,768
  4. Step 4: Simplify right side
    1,306,770.56x = 1,438,805,732,862.72
  5. Step 5: Solve for x
    x = 1,438,805,732,862.72/1,306,770.56
  6. Step 6: Final answer
    x = 1,101,039.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.